<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>todolist功能</title>
    <script src="../oneday/vue.js"></script>
</head>
<body>
    <div id="root">
          <div>
              <input v-model="inputValue" />
              <button @click="handleSubmit">提交</button>
          </div>
          <ul>
              <todo-item
              v-for="(item,index) of list"
              :key="index"
              :content="item"
              :index="index"
              @delete="handleDelete"
              >
              </todo-item>
          </ul>
    </div>
    <script>
        Vue.component('todo-item',{
            props:['content','index'],
            template:'<li @click="handleClick">{{content}}</li>',
            methods: {
                handleClick: function(){
                  this.$emit('delete',this.index) 
                }
            }
        })

        new Vue({
            el:"#root",
            data: {
                inputValue: '',
                list: []
            },
            methods: {
                handleSubmit: function(){
                    this.list.push(this.inputValue)
                    this.inputValue= ''
                },
                handleDelete: function(index) {
                    this.list.splice(index,1)
                }
            }
        })
    </script>
</body>
</html>
